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Home > AZ Providers > Pediatric Orthopedists (Orthopedic Surgeons)

Dr. Brian B. Nielsen, MD

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Specializes in: Pediatric Orthopedics/Orthopedic Surgery, Spine Surgery, Foot & Ankle Surgery, Adult Orthopedic Reconstructive Surgery and Hand Surgery

University of Washington School of Medicine

Professional interests include: limb lengthening, sports injuries, deformity correction

10350 E. Drexel Road Suite 120
Tucson, AZ 85747

(520) 784-6565

Dr. Brian B. Nielsen, MD is a pediatric orthopedist in Tucson, AZ specializing in pediatric orthopedics/orthopedic surgery, spine surgery, foot & ankle surgery, adult orthopedic reconstructive surgery and hand surgery. He graduated from University of Washington School of Medicine. Dr. Brian B. Nielsen, MD is affiliated with Tucson Orthopaedic Institute and TMC Health.

Office Locations

Tucson Orthopaedic Institute

10350 E. Drexel Road Suite 120
Tucson, AZ 85747

(520) 784-6565

(520) 784-6109

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Tucson Orthopaedic Institute

5301 E. Grant Road Tmc Orthopaedic and Surgical Tower, First Floor
Tucson, AZ 85712

(520) 784-6200

(520) 784-6445

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Tucson Orthopaedic Institute

6320 N. La Cholla Boulevard Suite 200, (2, Floor of The Gateway Building)
Tucson, AZ 85741

(520) 382-8200

(520) 297-3505

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Noteworthy Medicare Patient Procedures Performed by Dr. Brian B. Nielsen, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. Brian B. Nielsen, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Arizona.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2012 were X-rays, musculoskeletal imaging, hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	30
doctor visit	121
hip imaging	17
hospital care	42
injections	30
inpatient care	42
musculoskeletal imaging	74
pelvic imaging	16
X-rays	90

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2013 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	48
doctor visit	108
hospital care	32
injections	48
inpatient care	32
musculoskeletal imaging	49
X-rays	49

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	43
Female	117

**Ethnicity**
Non-Hispanic White	141
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	35
85 and over	32
Less than 65	25

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2013

Hypertension	64
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	31
Depression	34
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	21
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2014 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	37
doctor visit	108
hospital care	20
injections	37
inpatient care	20
musculoskeletal imaging	42
pelvic imaging	14
X-rays	56

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	47
Female	88

**Ethnicity**
Non-Hispanic White	115
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	32
85 and over	14
Less than 65	18

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2014

Hypertension	67
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	31
Depression	28
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2015 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	34
doctor visit	161
hospital care	31
injections	34
inpatient care	31
musculoskeletal imaging	44
pelvic imaging	22
X-rays	66

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	100
Female	236

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	76
85 and over	62
Less than 65	44

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2015

Hypertension	67
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	38
Depression	26
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2016 were X-rays, aspiration, musculoskeletal imaging and injections.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	31
doctor visit	139
hospital care	22
injections	31
inpatient care	22
musculoskeletal imaging	31
X-rays	31

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	47
Female	85

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	36
85 and over	27
Less than 65	20

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2016

Hypertension	61
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	30
Asthma	17
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2017 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	28
doctor visit	98
hospital care	22
injections	28
inpatient care	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	43
Female	72

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	34
85 and over	27
Less than 65	21

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2017

Hypertension	70
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	31
Depression	41
Chronic Kidney Disease	38
Asthma	14
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2018 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	29
doctor visit	78
hospital care	25
injections	29
inpatient care	25
musculoskeletal imaging	18
X-rays	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	43
Female	71

**Ethnicity**
Non-Hispanic White	93
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	37
85 and over	19
Less than 65	21

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2018

Hypertension	62
High Cholesterol	46
Stroke	10
Ischemic Heart Disease	29
Depression	34
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	17
Diabetes	19
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2019 were hospital care, inpatient care, aspiration and injections.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

aspiration	19
doctor visit	45
hospital care	31
injections	19
inpatient care	31
musculoskeletal imaging	14
X-rays	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	34
Female	63

**Ethnicity**
Non-Hispanic White	78
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	29
85 and over	21
Less than 65	19

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2019

Hypertension	62
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	45
Asthma	0
Osteoperosis	20
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

doctor visit	39
hospital care	16
inpatient care	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	25
Female	45

**Ethnicity**
Non-Hispanic White	57
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	19
From 75 to 84	22
85 and over	12
Less than 65	17

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2020

Hypertension	66
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	36
Depression	27
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	19
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	19
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

doctor visit	20
hospital care	20
inpatient care	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	21
Female	45

**Age**
From 65 to 74	22
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2021

Hypertension	62
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	33
Depression	29
Chronic Kidney Disease	36
Asthma	17
Osteoperosis	26
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	24
Diabetes	18
Dementia	32
Cancer	23

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

doctor visit	16
hospital care	12
inpatient care	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	23
Female	36

**Age**
From 65 to 74	16
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2022

Hypertension	73
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	41
Atrial Fibrilation	32
Heart Failure	27
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	32
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

doctor visit	36
hospital care	13
inpatient care	13

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	15
Female	36

**Age**
From 65 to 74	14
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2023

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	0
Depression	43
Chronic Kidney Disease	31
Asthma	24
Osteoperosis	43
Atrial Fibrilation	39
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	22
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Brian B. Nielsen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brian B. Nielsen, MD treated as a pediatric orthopedist in Tucson, AZ were X-rays, musculoskeletal imaging, aspiration and injections.

aspiration	32
doctor visit	80
hip imaging	17
hospital care	23
injections	32
inpatient care	23
musculoskeletal imaging	38
pelvic imaging	17
X-rays	46

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Brian B. Nielsen, MD.

**Gender**
Male	36
Female	74

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	80
Hispanic	4
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	30
85 and over	17
Less than 65	15
65 to 74	42

Average of Total of Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Brian B. Nielsen, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	60
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	27
Depression	29
Chronic Kidney Disease	31
Asthma	9
Osteoporosis	19
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Atrial Fibrillation	15
Cancer	9
Dementia	19

Education & Training

Dr. Brian B. Nielsen, MD graduated from University of Washington School of Medicine. He completed residency at Penn State Hershey Medical Center. He is certified by the American Board of Orthopaedic Surgery and Pediatric Orthopaedic Society of North America and has a state license in Arizona.

Medical School: University of Washington School of Medicine

Residency: Penn State Hershey Medical Center

Board Certification: American Board of Orthopaedic Surgery and Pediatric Orthopaedic Society of North America

Licensed In: Arizona

Affiliations & Hospitals

Dr. Brian B. Nielsen, MD is associated with these hospitals and organizations:

Tucson Orthopaedic Institute

TMC Health

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Insurance Accepted by Affiliated Medical Group or Hospital:

P3 Health Partners (BCBS Advantage)

Mercy Care Advantage

Bright Health Exclusive Carondelet Network

Arizona Foundation for Medical Care

Medicare Railroad

CareMore

(Bright Health) Clover Health Exclusive Medicare Advantage Carondelet Network

Coventry/First Health

Humana Medicare Advantage

United Healthcare Choice/Choice Plus Campus

Medicare

Cigna/HealthSpring

University Family Care

Aetna

Humana HMO, PPO

Arizona Worker s Compensation

Blue Cross/Blue Shield HMO/PPO

Ambetter and Allwell by Centene

University Care Advantage

United Healthcare Community (APIPA)

Blue Cross/Blue Shield Advantage

USDOL - US Department of Labor

Greatwest / One Health Plan HMO, PPO, POS

Health Net - Seniors

Health Net HMO, PPO, POS

Health Choice

TriCare (Healthnet Federal Services)

United Healthcare Medicare Advantage - Seniors

Phoenix Health/Abrazo*

P3 Health Partners (Amerivantage)

Foster Children/CMDP

Phoenix Health*

Care1st Health Plan Arizona / Care One MA by WellCare

Cigna HMO, PPO/Indemnity

Mercy Care

AZ Complete Healy by Centene

Health Choice Generations

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General Payments

These charts describe general payments received by Dr. Brian B. Nielsen, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Medacta USA, Inc.	$157,853 MySpine $104,094	MectaLif $23,249	MUST $13,249	MUST MINI Set Screw $8,450	NEXT AR $61	Other $8,750
Integra LifeSciences Corporation	$28,250 Spine-Lumbar $20,000	Spine-New Product in Development $5,250	Recon-Lower Extremity Metal $3,000
SeaSpine, Inc.	$17,875 Spine - multiple therapeutic areas $10,750	Spine-Lumbar $7,125
SeaSpine Orthopedics Corporation	$4,470 Daytona $2,500	Spine - Lumbar $1,198	Daytona Small Stature $750	OsteoBallast $22
IMPLANET America, Inc.	$3,007 $3,007
Other	$5,659 MySpine $1,290	Sports Med Coblation & Fixation $736	Response Spine $400	MUST $375	MectaLif $347	Other $2,511

**Types of Payments**
Consulting Fee	$170,290
Travel and Lodging	$36,707
Honoraria	$6,000
Food and Beverage	$4,117

Biography

Dr. Brian Nielsen, who practices in Tucson, AZ, is a medical specialist in pediatric orthopedics/orthopedic surgery, hand surgery, and spine surgery. Dr. Nielsen is especially interested in deformity correction, limb lengthening, and sports injuries. He is affiliated with Tucson Orthopaedic Institute and TMC Health. After completing medical school at the University of Washington School of Medicine, he performed his residency at Penn State Hershey Medical Center. He has received the distinction of Recognized as Top Doctor. Dr. Nielsen speaks German.

Select Year:

Dr. Brian B. Nielsen, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Brian B. Nielsen, MD in 2023

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Brian B. Nielsen, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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